Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details Textuals)

v3.7.0.1
Organization and Summary of Significant Accounting Policies (Details Textuals) - USD ($)
$ / shares in Units, shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
New Accounting Pronouncement, Early Adoption [Line Items]        
Income tax provision (benefit) $ (29,515,000) $ 78,000 $ (27,494,000) $ 1,071,000
Net Income (Loss) Attributable to Parent $ 10,965,000 $ 22,584,000 $ 19,428,000 $ 43,265,000
Basic $ 0.17 $ 0.36 $ 0.30 $ 0.69
Diluted $ 0.16 $ 0.33 $ 0.28 $ 0.64
Diluted 69,645 67,520 69,398 67,110
New accounting pronouncement impact to retained earnings $ 0   $ 0